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Boston Consulting Group Interview Questions

The questions to prepare for Boston Consulting Group interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 4 questions · ~42 min
2
SQL & Data Manipulation4 questions · ~42 min
Analyze Customer Purchase Trends with Window FunctionsEasy
Practice

Calculate the monthly spending trends for customers using window functions and joins.

Boston Consulting Group
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3
Machine Learning4 questions · ~42 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffBoston Consulting Group
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4
Execution4 questions · ~42 min
Balancing Speed Quality and ScopeHard

Describe a time you had to choose between speed, quality, and scope, and how you aligned stakeholders around the trade-off.

Trade-offsRisk AssessmentScope ManagementBoston Consulting Group
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5
Model Evaluation3 questions · ~32 min
Evaluate Regression with RMSE and MAEEasy

Explain how to evaluate a regression model with RMSE and MAE, and how to interpret the tradeoff between average and large errors.

RegressionMAERMSEBoston Consulting Group
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6
Pipelines4 questions · ~42 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityBoston Consulting Group
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7
More topics27 questions · ~285 min
Why You Want to Work HereEasy

Explain why Baird, its Research platform, and the Research Analyst role align with your experience and long-term goals.

Product-Market Fitbrand cultureBusiness AcumenBoston Consulting Group
Design Test for New FeatureMedium

Design an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.

experiment designfeature evaluationA/B TestingBoston Consulting Group
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